Join us for our CMS Fall Festival this Friday, October 18th from 6-7:30 pm. Order your tickets ahead and skip the line, or purchase at the door. We hope to see you there for food, family and fun!

We invite all parents, guardians and educational partners to attend our first "Partnering with Parents" workshop this Thursday, 8/29 from 10am-11am. Light refreshments will be served. Check in at the front desk of the office. Hope to see you there!

Our educational partners play a key role in a safe and healthy school community. Do you want to have a positive impact at CMS & build connections in our "Cougar Pride?" If yes, then CMS PTO needs you!

Join us for Back to School Night this Thursday!

We are gearing up for the 2024-2025 school year! Further details regarding assigned Cougar Camp sessions, schedule pick-up times and locations will be mailed and shared on Parent Square.
Join us this Thursday, April 18th for our Open House at Cucamonga Middle School!

Join us tomorrow at Cane's in Upland for our AVID family night! Use the flier attached between 2 pm and 8 pm to support our amazing AVID students and program . Thank you in advance!
Today, CMS 7th grader Molly M. competed in the San Bernardino County Spelling Bee. We are so proud of her for advancing to this level and representing CMS & CSD! #TogetherWeareCSD


Congratulations to our MESA students on their recent competition wins: 1st/2nd in Think Tank, 3rd in Crime Scene Science, 1st in Math Escape Room, 3rd in MESA Machine Design & 2nd in Moon Base. Way to go Cougar Scholars!!


Join us for our AVID Family Night at Chick-fil-a in Rancho Cucamonga on March 5th! Thank you for your support!
Coach Vasquez and the 8th grade boys huddle up and end their season with a WIN! Way to go on a great season for all of our Cougar basketball teams! #cougarpride


Attention 8th grade class of 2024 and high school class of 2028: Make sure you've saved the date for ALHS's Family Night on Monday, 2/26.

Nacho Average Student! 🎉 Celebrating our students who made outstanding growth in their January STAR reading & math assessments!




Join us for a fun family night with the Ontario Reign! We hope to see you there!

Hope to see you at Chili's in Rancho for our CMS fundraiser today from 11am to 11 pm. Use attached flyer and thank you for your support!
There is NO SCHOOL tomorrow, January 15th, in honor of the Dr. Martin Luther King Jr. holiday. CMS will be on minimum days Tuesday 1/16 through Friday 1/19 for parent conference week. School will dismiss at 12:24 pm daily. Enjoy the rest of your 3-day weekend!
Hey Cougars! Can't wait to see you all back at CMS tomorrow morning. Looking forward to continued progress and achievement in 2024! #DoYourPART #cougarpride

Lots of celebrating going on at CMS, & not just for the holidays! Congrats to the winners of our December attendance challenge, Ms. Mizerak's homeroom spirit winners, and our staff for the staff vs. student volleyball victory! Looking forward to more big wins in 2024!



Happy Holidays from our CMS family to yours! Remember tomorrow, 12/22 is a late start, minimum day (8:55 am-12:24 pm.) Pajama day & progress reports go home too. Enjoy your break & see you back 1/8/24!

Winter Sprit Week next week!

